22256720

素因数分解:

$2^4\times 5^1\times {\mathrm{278209}}^1$

素因数の和:278222

約数の個数: 20

約数和(自身を含む): 51747060

約数和(自身を除く): 29490340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 278209, 556418, 1112836, 1391045, 2225672, 2782090, 4451344, 5564180, 11128360, 22256720]

約数ペア:

[(1, 22256720), (2, 11128360), (4, 5564180), (5, 4451344), (8, 2782090), (10, 2225672), (16, 1391045), (20, 1112836), (40, 556418), (80, 278209)]